The prototype first tested the concept of running with a propeller. It was based on a Sinner Comfort recumbent trike and ran on wheels. Steve later moved on to parts of the Comfort on skates as a proof of concept. This rode well enough that it was worth going further.

Now the first two production Ice-Bats have been completed by Steve working with Sinner Ligfietsen. These are lower than the prototype, and have a proper propeller designed for the speeds of the Ice-bat mounted somewhat more rigidly than on the prototype.

The machines will be racing here in Assen on Saturday at De Bonte Wever - our local ice-skating circuit.

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